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1 // Copyright (c) 2017, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2017, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 library js_backend.interceptor_data; | 5 library js_backend.interceptor_data; |
6 | 6 |
7 import '../common/names.dart' show Identifiers; | 7 import '../common/names.dart' show Identifiers; |
8 import '../common/resolution.dart' show Resolution; | 8 import '../common/resolution.dart' show Resolution; |
9 import '../common_elements.dart' show CommonElements, ElementEnvironment; | 9 import '../common_elements.dart' show CommonElements, ElementEnvironment; |
10 import '../elements/elements.dart' show MemberElement; | 10 import '../elements/elements.dart' show MemberElement; |
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213 if (isInterceptedClass(classElement)) return false; | 213 if (isInterceptedClass(classElement)) return false; |
214 return _closedWorld.hasOnlySubclasses(classElement); | 214 return _closedWorld.hasOnlySubclasses(classElement); |
215 } | 215 } |
216 } | 216 } |
217 | 217 |
218 class InterceptorDataBuilderImpl implements InterceptorDataBuilder { | 218 class InterceptorDataBuilderImpl implements InterceptorDataBuilder { |
219 final NativeBasicData _nativeData; | 219 final NativeBasicData _nativeData; |
220 final BackendHelpers _helpers; | 220 final BackendHelpers _helpers; |
221 final ElementEnvironment _elementEnvironment; | 221 final ElementEnvironment _elementEnvironment; |
222 final CommonElements _commonElements; | 222 final CommonElements _commonElements; |
223 final Resolution _resolution; | |
224 | 223 |
225 /// The members of instantiated interceptor classes: maps a member name to the | 224 /// The members of instantiated interceptor classes: maps a member name to the |
226 /// list of members that have that name. This map is used by the codegen to | 225 /// list of members that have that name. This map is used by the codegen to |
227 /// know whether a send must be intercepted or not. | 226 /// know whether a send must be intercepted or not. |
228 final Map<String, Set<MemberEntity>> _interceptedElements = | 227 final Map<String, Set<MemberEntity>> _interceptedElements = |
229 <String, Set<MemberEntity>>{}; | 228 <String, Set<MemberEntity>>{}; |
230 | 229 |
231 /// Set of classes whose methods are intercepted. | 230 /// Set of classes whose methods are intercepted. |
232 final Set<ClassEntity> _interceptedClasses = new Set<ClassEntity>(); | 231 final Set<ClassEntity> _interceptedClasses = new Set<ClassEntity>(); |
233 | 232 |
234 /// Set of classes used as mixins on intercepted (native and primitive) | 233 /// Set of classes used as mixins on intercepted (native and primitive) |
235 /// classes. Methods on these classes might also be mixed in to regular Dart | 234 /// classes. Methods on these classes might also be mixed in to regular Dart |
236 /// (unintercepted) classes. | 235 /// (unintercepted) classes. |
237 final Set<ClassEntity> _classesMixedIntoInterceptedClasses = | 236 final Set<ClassEntity> _classesMixedIntoInterceptedClasses = |
238 new Set<ClassEntity>(); | 237 new Set<ClassEntity>(); |
239 | 238 |
240 InterceptorDataBuilderImpl(this._nativeData, this._helpers, | 239 InterceptorDataBuilderImpl(this._nativeData, this._helpers, |
241 this._elementEnvironment, this._commonElements, this._resolution); | 240 this._elementEnvironment, this._commonElements); |
242 | 241 |
243 InterceptorData onResolutionComplete(ClosedWorld closedWorld) { | 242 InterceptorData onResolutionComplete(ClosedWorld closedWorld) { |
244 return new InterceptorDataImpl( | 243 return new InterceptorDataImpl( |
245 _nativeData, | 244 _nativeData, |
246 _helpers, | 245 _helpers, |
247 closedWorld, | 246 closedWorld, |
248 _interceptedElements, | 247 _interceptedElements, |
249 _interceptedClasses, | 248 _interceptedClasses, |
250 _classesMixedIntoInterceptedClasses); | 249 _classesMixedIntoInterceptedClasses); |
251 } | 250 } |
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329 jsAst.Name name = namer.nameForGetInterceptor(classes); | 328 jsAst.Name name = namer.nameForGetInterceptor(classes); |
330 if (classes.contains(_helpers.jsInterceptorClass)) { | 329 if (classes.contains(_helpers.jsInterceptorClass)) { |
331 // We can't use a specialized [getInterceptorMethod], so we make | 330 // We can't use a specialized [getInterceptorMethod], so we make |
332 // sure we emit the one with all checks. | 331 // sure we emit the one with all checks. |
333 _specializedGetInterceptors[name] = _interceptorData.interceptedClasses; | 332 _specializedGetInterceptors[name] = _interceptorData.interceptedClasses; |
334 } else { | 333 } else { |
335 _specializedGetInterceptors[name] = classes; | 334 _specializedGetInterceptors[name] = classes; |
336 } | 335 } |
337 } | 336 } |
338 } | 337 } |
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